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87 lines
2.0 KiB
Markdown
87 lines
2.0 KiB
Markdown
5 years ago
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# pkg-conf [](https://travis-ci.org/sindresorhus/pkg-conf)
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> Get namespaced config from the closest package.json
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Having tool specific config in package.json reduces the amount of metafiles in your repo (there are usually a lot!) and makes the config obvious compared to hidden dotfiles like `.jshintrc`, which can end up causing confusion. [XO](https://github.com/sindresorhus/xo), for example, use the `xo` namespace in package.json, and [ESLint](http://eslint.org) uses `eslintConfig`. Many more tools supports this, like [AVA](https://ava.li), [Babel](https://babeljs.io), [nyc](https://github.com/bcoe/nyc), etc.
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## Install
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```
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$ npm install --save pkg-conf
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```
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## Usage
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```json
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{
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"name": "some-package",
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"version": "1.0.0",
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"unicorn": {
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"rainbow": true
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}
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}
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```
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```js
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const pkgConf = require('pkg-conf');
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pkgConf('unicorn').then(config => {
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console.log(config.rainbow);
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//=> true
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});
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```
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## API
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It [walks up](https://github.com/sindresorhus/find-up) parent directories until a `package.json` can be found, reads it, and returns the user specified namespace or an empty object if not found.
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### pkgConf(namespace, [options])
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Returns a promise that resolves to the config.
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### pkgConf.sync(namespace, [options])
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Returns the config.
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#### namespace
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Type: `string`
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The package.json namespace you want.
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#### options
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##### cwd
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Type: `string`<br>
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Default: `process.cwd()`
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Directory to start looking up for a package.json file.
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##### defaults
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Type: `Object`<br>
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Default config.
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### pkgConf.filepath(config)
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Pass in the `config` returned from any of the above methods.
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Returns the filepath to the package.json file or `null`.
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## Related
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- [read-pkg-up](https://github.com/sindresorhus/read-pkg-up) - Read the closest package.json file
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- [read-pkg](https://github.com/sindresorhus/read-pkg) - Read a package.json file
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- [find-up](https://github.com/sindresorhus/find-up) - Find a file by walking up parent directories
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## License
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MIT © [Sindre Sorhus](https://sindresorhus.com)
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